EHC vs PRLB: Correlation
How closely do Encompass Health Corporation (EHC) and Proto Labs, Inc. (PRLB) trade together? Their weekly returns over three years give a correlation of 0.49, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EHC and PRLB?
Across a 3-year window, the weekly returns of EHC and PRLB correlate at 0.49, moderate. Recent behaviour matches the longer record: 0.57 over 1 year against 0.49 over 3. Stretching to 5 years gives 0.36, with an annualized covariance of 601.5 %².
PRLB is one of the assets that tracks EHC most closely: it ranks #2 out of the 15 assets we track against EHC. Their recent paths diverged sharply: over the last 12 months PRLB outperformed by 60.2 percentage points (-2.6% for EHC against +57.6% for PRLB). Risk is not evenly split, since PRLB carries 2.1 times the volatility of the other side.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
EHC vs PRLB: side by side
| EHC (Encompass Health Corporation) | PRLB (Proto Labs, Inc.) | |
|---|---|---|
| 1-year return | -2.6% | +57.6% |
| 5-year return | +101.2% | +10.1% |
| Volatility (ann.) | 24.5% | 50.3% |
| Beta vs S&P 500 | 0.61 | 1.52 |
| Max drawdown (3Y) | -26.1% | -33.6% |
| Market cap | $11.8B | $1.9B |
| P/E (trailing) | 20.2 | 62.6 |
| Dividend yield | 0.63% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EHC | PRLB |
|---|---|---|
| 2022 | +17.0% | -50.3% |
| 2023 | +12.6% | +52.6% |
| 2024 | +39.2% | +0.3% |
| 2025 | +15.7% | +29.4% |
| 2026 | +13.3% | +58.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EHC and PRLB good diversifiers for each other?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between EHC and PRLB?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.57 over the last year and 0.36 over 5 years.
Is PRLB a good diversifier for EHC?
A fair diversifier. At 0.49, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.49 mean?
On the −1 to +1 scale, 0.49 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
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Related comparisons
Hubs: EHC correlations · PRLB correlations
